<!DOCTYPE html>
<html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js" type="text/javascript" charset="utf-8"></script>
    <style>
        .test {
            font-size: 30px;
        }

        .green {
            color: #00FF00;
        }

        .active {
            background: #FF0000
        }
    </style>
</head>
<body>
<div id="app">
    <div
            class="test"
            v-bind:class="[isActive?'active':'',isGreen?'green':'']"
            style="width:200px;height:200px;text-align:center;line-height:200px;">
        hi vue
    </div>
    <div
            :style="{color:color,fontSize:size,background:isRed?'#FF0000':''}">
        hi vue
</div>

</div>
<script type="text/javascript">
    var vm = new Vue({
        el: "#app",
        data: {
            isActive: true,
            isGreen: false,
            color: '#FFFFFF',
            size: '50px',
            isRed:true,
        }
    })
</script>

</body>
</html>